From adfe65e931d2eae95e33970a9ed368e6a1f31daf Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Tue, 26 Jul 2011 16:01:30 -0700
Subject: Fix brew doctor when no Xcode is detected.

---
 Library/Homebrew/cmd/doctor.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index 7e457a790..5a4b490b4 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -194,7 +194,13 @@ def check_gcc_versions
     EOS
   end
 
-  if MacOS.xcode_version < "4.0"
+  if MacOS.xcode_version == nil
+      puts <<-EOS.undent
+        We couldn't detect any version of Xcode.
+        If you downloaded Xcode 4.1 from the App Store, you may need to run the installer.
+
+      EOS
+  elsif MacOS.xcode_version < "4.0"
     if gcc_40 == nil
       puts <<-EOS.undent
         We couldn't detect gcc 4.0.x. Some formulae require this compiler.
-- 
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